*Vertices 15
1 "AnnNeurol" 0.0 0.0 0.0 x_fact 3.253544 y_fact 4.323329
2 "ArchNeurolChicago" 0.0 0.0 0.0 x_fact 3.982692 y_fact 4.673173
3 "Brain" 0.0 0.0 0.0 x_fact 5.015651 y_fact 6.667280
4 "Cephalalgia" 0.0 0.0 0.0 x_fact 2.399190 y_fact 3.883263
5 "Headache" 0.0 0.0 0.0 x_fact 3.067575 y_fact 4.818634
6 "JNeurol" 0.0 0.0 0.0 x_fact 5.396796 y_fact 5.739275
7 "JNeurolNeurosurPs" 0.0 0.0 0.0 x_fact 6.405818 y_fact 7.510587
8 "JNeurosurg" 0.0 0.0 0.0 x_fact 2.743509 y_fact 6.875345
9 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 4.069232 y_fact 7.481127
10 "Lancet" 0.0 0.0 0.0 x_fact 3.695452 y_fact 7.610017
11 "NeurolSci" 0.0 0.0 0.0 x_fact 1.559565 y_fact 1.629534
12 "Neurology" 0.0 0.0 0.0 x_fact 9.280059 y_fact 14.888602
13 "NewEnglJMed" 0.0 0.0 0.0 x_fact 3.246179 y_fact 7.304364
14 "Pain" 0.0 0.0 0.0 x_fact 1.439882 y_fact 5.580924
15 "Stroke" 0.0 0.0 0.0 x_fact 4.840729 y_fact 11.014546
*Matrix 
0.000000 0.927473 0.893801 0.310508 0.291348 0.935347 0.883186 0.223793 0.000000 0.244330 0.777727 0.904879 0.222580 0.000000 0.411507 
0.927473 0.000000 0.858600 0.325142 0.320465 0.961293 0.922569 0.212025 0.218040 0.241052 0.851352 0.973191 0.248894 0.000000 0.338688 
0.893801 0.858600 0.000000 0.338734 0.306109 0.908585 0.868044 0.205616 0.000000 0.000000 0.750476 0.837896 0.000000 0.000000 0.259863 
0.310508 0.325142 0.338734 0.000000 0.918517 0.336773 0.341618 0.000000 0.000000 0.000000 0.654461 0.375893 0.000000 0.000000 0.000000 
0.291348 0.320465 0.306109 0.918517 0.000000 0.321015 0.316747 0.000000 0.000000 0.000000 0.636571 0.370432 0.000000 0.000000 0.000000 
0.935347 0.961293 0.908585 0.336773 0.321015 0.000000 0.970514 0.220224 0.000000 0.296705 0.878227 0.965314 0.249344 0.000000 0.432106 
0.883186 0.922569 0.868044 0.341618 0.316747 0.970514 0.000000 0.323679 0.206841 0.302983 0.895464 0.927112 0.245778 0.000000 0.520109 
0.223793 0.212025 0.205616 0.000000 0.000000 0.220224 0.323679 0.000000 0.000000 0.000000 0.320081 0.206952 0.000000 0.000000 0.260787 
0.000000 0.218040 0.000000 0.000000 0.000000 0.000000 0.206841 0.000000 0.000000 0.616924 0.256148 0.214900 0.780751 0.000000 0.216212 
0.244330 0.241052 0.000000 0.000000 0.000000 0.296705 0.302983 0.000000 0.616924 0.000000 0.335046 0.252684 0.650008 0.000000 0.270217 
0.777727 0.851352 0.750476 0.654461 0.636571 0.878227 0.895464 0.320081 0.256148 0.335046 0.000000 0.889044 0.280486 0.211238 0.485921 
0.904879 0.973191 0.837896 0.375893 0.370432 0.965314 0.927112 0.206952 0.214900 0.252684 0.889044 0.000000 0.240037 0.000000 0.394884 
0.222580 0.248894 0.000000 0.000000 0.000000 0.249344 0.245778 0.000000 0.780751 0.650008 0.280486 0.240037 0.000000 0.000000 0.228108 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.211238 0.000000 0.000000 0.000000 0.000000 
0.411507 0.338688 0.259863 0.000000 0.000000 0.432106 0.520109 0.260787 0.216212 0.270217 0.485921 0.394884 0.228108 0.000000 0.000000